GEMA German Multi-Electrode Radar Tube

GEMA German Multi-Electrode Radar Tube

Rare German GEMA (Gesellschaft für Elektroakustische und Mechanische Apparate) multi-electrode vacuum tube used in early radar research and microwave equipment. Features multiple side terminals and an internal planar electrode assembly typical of experimental and pre-war/WWII high-frequency electronics. GEMA was one of the pioneering companies behind Germany’s early radar development, making these tubes highly desirable to advanced collectors.

Tube Crate 1 #11